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path: root/drivers/net/phy/phy.c
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Diffstat (limited to 'drivers/net/phy/phy.c')
-rw-r--r--drivers/net/phy/phy.c490
1 files changed, 214 insertions, 276 deletions
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 1d73ac3309ce..d33e7b3caf03 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -46,11 +46,8 @@ static const char *phy_state_to_str(enum phy_state st)
{
switch (st) {
PHY_STATE_STR(DOWN)
- PHY_STATE_STR(STARTING)
PHY_STATE_STR(READY)
- PHY_STATE_STR(PENDING)
PHY_STATE_STR(UP)
- PHY_STATE_STR(AN)
PHY_STATE_STR(RUNNING)
PHY_STATE_STR(NOLINK)
PHY_STATE_STR(FORCING)
@@ -62,6 +59,17 @@ static const char *phy_state_to_str(enum phy_state st)
return NULL;
}
+static void phy_link_up(struct phy_device *phydev)
+{
+ phydev->phy_link_change(phydev, true, true);
+ phy_led_trigger_change_speed(phydev);
+}
+
+static void phy_link_down(struct phy_device *phydev, bool do_carrier)
+{
+ phydev->phy_link_change(phydev, false, do_carrier);
+ phy_led_trigger_change_speed(phydev);
+}
/**
* phy_print_status - Convenience function to print out the current phy status
@@ -105,9 +113,9 @@ static int phy_clear_interrupt(struct phy_device *phydev)
*
* Returns 0 on success or < 0 on error.
*/
-static int phy_config_interrupt(struct phy_device *phydev, u32 interrupts)
+static int phy_config_interrupt(struct phy_device *phydev, bool interrupts)
{
- phydev->interrupts = interrupts;
+ phydev->interrupts = interrupts ? 1 : 0;
if (phydev->drv->config_intr)
return phydev->drv->config_intr(phydev);
@@ -171,11 +179,9 @@ EXPORT_SYMBOL(phy_aneg_done);
* settings were found.
*/
static const struct phy_setting *
-phy_find_valid(int speed, int duplex, u32 supported)
+phy_find_valid(int speed, int duplex, unsigned long *supported)
{
- unsigned long mask = supported;
-
- return phy_lookup_setting(speed, duplex, &mask, BITS_PER_LONG, false);
+ return phy_lookup_setting(speed, duplex, supported, false);
}
/**
@@ -192,9 +198,7 @@ unsigned int phy_supported_speeds(struct phy_device *phy,
unsigned int *speeds,
unsigned int size)
{
- unsigned long supported = phy->supported;
-
- return phy_speeds(speeds, size, &supported, BITS_PER_LONG);
+ return phy_speeds(speeds, size, phy->supported);
}
/**
@@ -206,11 +210,10 @@ unsigned int phy_supported_speeds(struct phy_device *phy,
*
* Description: Returns true if there is a valid setting, false otherwise.
*/
-static inline bool phy_check_valid(int speed, int duplex, u32 features)
+static inline bool phy_check_valid(int speed, int duplex,
+ unsigned long *features)
{
- unsigned long mask = features;
-
- return !!phy_lookup_setting(speed, duplex, &mask, BITS_PER_LONG, true);
+ return !!phy_lookup_setting(speed, duplex, features, true);
}
/**
@@ -224,13 +227,13 @@ static inline bool phy_check_valid(int speed, int duplex, u32 features)
static void phy_sanitize_settings(struct phy_device *phydev)
{
const struct phy_setting *setting;
- u32 features = phydev->supported;
/* Sanitize settings based on PHY capabilities */
- if ((features & SUPPORTED_Autoneg) == 0)
+ if (linkmode_test_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, phydev->supported))
phydev->autoneg = AUTONEG_DISABLE;
- setting = phy_find_valid(phydev->speed, phydev->duplex, features);
+ setting = phy_find_valid(phydev->speed, phydev->duplex,
+ phydev->supported);
if (setting) {
phydev->speed = setting->speed;
phydev->duplex = setting->duplex;
@@ -256,13 +259,15 @@ static void phy_sanitize_settings(struct phy_device *phydev)
*/
int phy_ethtool_sset(struct phy_device *phydev, struct ethtool_cmd *cmd)
{
+ __ETHTOOL_DECLARE_LINK_MODE_MASK(advertising);
u32 speed = ethtool_cmd_speed(cmd);
if (cmd->phy_address != phydev->mdio.addr)
return -EINVAL;
/* We make sure that we don't pass unsupported values in to the PHY */
- cmd->advertising &= phydev->supported;
+ ethtool_convert_legacy_u32_to_link_mode(advertising, cmd->advertising);
+ linkmode_and(advertising, advertising, phydev->supported);
/* Verify the settings we care about. */
if (cmd->autoneg != AUTONEG_ENABLE && cmd->autoneg != AUTONEG_DISABLE)
@@ -283,12 +288,14 @@ int phy_ethtool_sset(struct phy_device *phydev, struct ethtool_cmd *cmd)
phydev->speed = speed;
- phydev->advertising = cmd->advertising;
+ linkmode_copy(phydev->advertising, advertising);
if (AUTONEG_ENABLE == cmd->autoneg)
- phydev->advertising |= ADVERTISED_Autoneg;
+ linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT,
+ phydev->advertising);
else
- phydev->advertising &= ~ADVERTISED_Autoneg;
+ linkmode_clear_bit(ETHTOOL_LINK_MODE_Autoneg_BIT,
+ phydev->advertising);
phydev->duplex = cmd->duplex;
@@ -304,25 +311,24 @@ EXPORT_SYMBOL(phy_ethtool_sset);
int phy_ethtool_ksettings_set(struct phy_device *phydev,
const struct ethtool_link_ksettings *cmd)
{
+ __ETHTOOL_DECLARE_LINK_MODE_MASK(advertising);
u8 autoneg = cmd->base.autoneg;
u8 duplex = cmd->base.duplex;
u32 speed = cmd->base.speed;
- u32 advertising;
if (cmd->base.phy_address != phydev->mdio.addr)
return -EINVAL;
- ethtool_convert_link_mode_to_legacy_u32(&advertising,
- cmd->link_modes.advertising);
+ linkmode_copy(advertising, cmd->link_modes.advertising);
/* We make sure that we don't pass unsupported values in to the PHY */
- advertising &= phydev->supported;
+ linkmode_and(advertising, advertising, phydev->supported);
/* Verify the settings we care about. */
if (autoneg != AUTONEG_ENABLE && autoneg != AUTONEG_DISABLE)
return -EINVAL;
- if (autoneg == AUTONEG_ENABLE && advertising == 0)
+ if (autoneg == AUTONEG_ENABLE && linkmode_empty(advertising))
return -EINVAL;
if (autoneg == AUTONEG_DISABLE &&
@@ -337,12 +343,14 @@ int phy_ethtool_ksettings_set(struct phy_device *phydev,
phydev->speed = speed;
- phydev->advertising = advertising;
+ linkmode_copy(phydev->advertising, advertising);
if (autoneg == AUTONEG_ENABLE)
- phydev->advertising |= ADVERTISED_Autoneg;
+ linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT,
+ phydev->advertising);
else
- phydev->advertising &= ~ADVERTISED_Autoneg;
+ linkmode_clear_bit(ETHTOOL_LINK_MODE_Autoneg_BIT,
+ phydev->advertising);
phydev->duplex = duplex;
@@ -358,14 +366,9 @@ EXPORT_SYMBOL(phy_ethtool_ksettings_set);
void phy_ethtool_ksettings_get(struct phy_device *phydev,
struct ethtool_link_ksettings *cmd)
{
- ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
- phydev->supported);
-
- ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
- phydev->advertising);
-
- ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.lp_advertising,
- phydev->lp_advertising);
+ linkmode_copy(cmd->link_modes.supported, phydev->supported);
+ linkmode_copy(cmd->link_modes.advertising, phydev->advertising);
+ linkmode_copy(cmd->link_modes.lp_advertising, phydev->lp_advertising);
cmd->base.speed = phydev->speed;
cmd->base.duplex = phydev->duplex;
@@ -434,7 +437,8 @@ int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd)
}
break;
case MII_ADVERTISE:
- phydev->advertising = mii_adv_to_ethtool_adv_t(val);
+ mii_adv_mod_linkmode_adv_t(phydev->advertising,
+ val);
change_autoneg = true;
break;
default:
@@ -467,6 +471,18 @@ int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd)
}
EXPORT_SYMBOL(phy_mii_ioctl);
+static void phy_queue_state_machine(struct phy_device *phydev,
+ unsigned int secs)
+{
+ mod_delayed_work(system_power_efficient_wq, &phydev->state_queue,
+ secs * HZ);
+}
+
+static void phy_trigger_machine(struct phy_device *phydev)
+{
+ phy_queue_state_machine(phydev, 0);
+}
+
static int phy_config_aneg(struct phy_device *phydev)
{
if (phydev->drv->config_aneg)
@@ -482,6 +498,34 @@ static int phy_config_aneg(struct phy_device *phydev)
}
/**
+ * phy_check_link_status - check link status and set state accordingly
+ * @phydev: the phy_device struct
+ *
+ * Description: Check for link and whether autoneg was triggered / is running
+ * and set state accordingly
+ */
+static int phy_check_link_status(struct phy_device *phydev)
+{
+ int err;
+
+ WARN_ON(!mutex_is_locked(&phydev->lock));
+
+ err = phy_read_status(phydev);
+ if (err)
+ return err;
+
+ if (phydev->link && phydev->state != PHY_RUNNING) {
+ phydev->state = PHY_RUNNING;
+ phy_link_up(phydev);
+ } else if (!phydev->link && phydev->state != PHY_NOLINK) {
+ phydev->state = PHY_NOLINK;
+ phy_link_down(phydev, true);
+ }
+
+ return 0;
+}
+
+/**
* phy_start_aneg - start auto-negotiation for this PHY device
* @phydev: the phy_device struct
*
@@ -492,7 +536,6 @@ static int phy_config_aneg(struct phy_device *phydev)
*/
int phy_start_aneg(struct phy_device *phydev)
{
- bool trigger = 0;
int err;
if (!phydev->drv)
@@ -500,44 +543,33 @@ int phy_start_aneg(struct phy_device *phydev)
mutex_lock(&phydev->lock);
+ if (!__phy_is_started(phydev)) {
+ WARN(1, "called from state %s\n",
+ phy_state_to_str(phydev->state));
+ err = -EBUSY;
+ goto out_unlock;
+ }
+
if (AUTONEG_DISABLE == phydev->autoneg)
phy_sanitize_settings(phydev);
/* Invalidate LP advertising flags */
- phydev->lp_advertising = 0;
+ linkmode_zero(phydev->lp_advertising);
err = phy_config_aneg(phydev);
if (err < 0)
goto out_unlock;
- if (phydev->state != PHY_HALTED) {
- if (AUTONEG_ENABLE == phydev->autoneg) {
- phydev->state = PHY_AN;
- phydev->link_timeout = PHY_AN_TIMEOUT;
- } else {
- phydev->state = PHY_FORCING;
- phydev->link_timeout = PHY_FORCE_TIMEOUT;
- }
- }
-
- /* Re-schedule a PHY state machine to check PHY status because
- * negotiation may already be done and aneg interrupt may not be
- * generated.
- */
- if (!phy_polling_mode(phydev) && phydev->state == PHY_AN) {
- err = phy_aneg_done(phydev);
- if (err > 0) {
- trigger = true;
- err = 0;
- }
+ if (phydev->autoneg == AUTONEG_ENABLE) {
+ err = phy_check_link_status(phydev);
+ } else {
+ phydev->state = PHY_FORCING;
+ phydev->link_timeout = PHY_FORCE_TIMEOUT;
}
out_unlock:
mutex_unlock(&phydev->lock);
- if (trigger)
- phy_trigger_machine(phydev);
-
return err;
}
EXPORT_SYMBOL(phy_start_aneg);
@@ -573,20 +605,38 @@ static int phy_poll_aneg_done(struct phy_device *phydev)
*/
int phy_speed_down(struct phy_device *phydev, bool sync)
{
- u32 adv = phydev->lp_advertising & phydev->supported;
- u32 adv_old = phydev->advertising;
+ __ETHTOOL_DECLARE_LINK_MODE_MASK(adv_old);
+ __ETHTOOL_DECLARE_LINK_MODE_MASK(adv);
int ret;
if (phydev->autoneg != AUTONEG_ENABLE)
return 0;
- if (adv & PHY_10BT_FEATURES)
- phydev->advertising &= ~(PHY_100BT_FEATURES |
- PHY_1000BT_FEATURES);
- else if (adv & PHY_100BT_FEATURES)
- phydev->advertising &= ~PHY_1000BT_FEATURES;
+ linkmode_copy(adv_old, phydev->advertising);
+ linkmode_copy(adv, phydev->lp_advertising);
+ linkmode_and(adv, adv, phydev->supported);
+
+ if (linkmode_test_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, adv) ||
+ linkmode_test_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT, adv)) {
+ linkmode_clear_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT,
+ phydev->advertising);
+ linkmode_clear_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT,
+ phydev->advertising);
+ linkmode_clear_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT,
+ phydev->advertising);
+ linkmode_clear_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
+ phydev->advertising);
+ } else if (linkmode_test_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT,
+ adv) ||
+ linkmode_test_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT,
+ adv)) {
+ linkmode_clear_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT,
+ phydev->advertising);
+ linkmode_clear_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
+ phydev->advertising);
+ }
- if (phydev->advertising == adv_old)
+ if (linkmode_equal(phydev->advertising, adv_old))
return 0;
ret = phy_config_aneg(phydev);
@@ -605,28 +655,36 @@ EXPORT_SYMBOL_GPL(phy_speed_down);
*/
int phy_speed_up(struct phy_device *phydev)
{
- u32 mask = PHY_10BT_FEATURES | PHY_100BT_FEATURES | PHY_1000BT_FEATURES;
- u32 adv_old = phydev->advertising;
+ __ETHTOOL_DECLARE_LINK_MODE_MASK(all_speeds) = { 0, };
+ __ETHTOOL_DECLARE_LINK_MODE_MASK(not_speeds);
+ __ETHTOOL_DECLARE_LINK_MODE_MASK(supported);
+ __ETHTOOL_DECLARE_LINK_MODE_MASK(adv_old);
+ __ETHTOOL_DECLARE_LINK_MODE_MASK(speeds);
+
+ linkmode_copy(adv_old, phydev->advertising);
if (phydev->autoneg != AUTONEG_ENABLE)
return 0;
- phydev->advertising = (adv_old & ~mask) | (phydev->supported & mask);
+ linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, all_speeds);
+ linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT, all_speeds);
+ linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT, all_speeds);
+ linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, all_speeds);
+ linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT, all_speeds);
+ linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, all_speeds);
+
+ linkmode_andnot(not_speeds, adv_old, all_speeds);
+ linkmode_copy(supported, phydev->supported);
+ linkmode_and(speeds, supported, all_speeds);
+ linkmode_or(phydev->advertising, not_speeds, speeds);
- if (phydev->advertising == adv_old)
+ if (linkmode_equal(phydev->advertising, adv_old))
return 0;
return phy_config_aneg(phydev);
}
EXPORT_SYMBOL_GPL(phy_speed_up);
-static void phy_queue_state_machine(struct phy_device *phydev,
- unsigned int secs)
-{
- mod_delayed_work(system_power_efficient_wq, &phydev->state_queue,
- secs * HZ);
-}
-
/**
* phy_start_machine - start PHY state machine tracking
* @phydev: the phy_device struct
@@ -644,20 +702,6 @@ void phy_start_machine(struct phy_device *phydev)
EXPORT_SYMBOL_GPL(phy_start_machine);
/**
- * phy_trigger_machine - trigger the state machine to run
- *
- * @phydev: the phy_device struct
- *
- * Description: There has been a change in state which requires that the
- * state machine runs.
- */
-
-void phy_trigger_machine(struct phy_device *phydev)
-{
- phy_queue_state_machine(phydev, 0);
-}
-
-/**
* phy_stop_machine - stop the PHY state machine tracking
* @phydev: target phy_device struct
*
@@ -670,7 +714,7 @@ void phy_stop_machine(struct phy_device *phydev)
cancel_delayed_work_sync(&phydev->state_queue);
mutex_lock(&phydev->lock);
- if (phydev->state > PHY_UP && phydev->state != PHY_HALTED)
+ if (__phy_is_started(phydev))
phydev->state = PHY_UP;
mutex_unlock(&phydev->lock);
}
@@ -686,6 +730,8 @@ void phy_stop_machine(struct phy_device *phydev)
*/
static void phy_error(struct phy_device *phydev)
{
+ WARN_ON(1);
+
mutex_lock(&phydev->lock);
phydev->state = PHY_HALTED;
mutex_unlock(&phydev->lock);
@@ -711,30 +757,26 @@ static int phy_disable_interrupts(struct phy_device *phydev)
}
/**
- * phy_change - Called by the phy_interrupt to handle PHY changes
- * @phydev: phy_device struct that interrupted
+ * phy_interrupt - PHY interrupt handler
+ * @irq: interrupt line
+ * @phy_dat: phy_device pointer
+ *
+ * Description: Handle PHY interrupt
*/
-static irqreturn_t phy_change(struct phy_device *phydev)
+static irqreturn_t phy_interrupt(int irq, void *phy_dat)
{
- if (phy_interrupt_is_valid(phydev)) {
- if (phydev->drv->did_interrupt &&
- !phydev->drv->did_interrupt(phydev))
- return IRQ_NONE;
-
- if (phydev->state == PHY_HALTED)
- if (phy_disable_interrupts(phydev))
- goto phy_err;
- }
+ struct phy_device *phydev = phy_dat;
- mutex_lock(&phydev->lock);
- if ((PHY_RUNNING == phydev->state) || (PHY_NOLINK == phydev->state))
- phydev->state = PHY_CHANGELINK;
- mutex_unlock(&phydev->lock);
+ if (!phy_is_started(phydev))
+ return IRQ_NONE; /* It can't be ours. */
+
+ if (phydev->drv->did_interrupt && !phydev->drv->did_interrupt(phydev))
+ return IRQ_NONE;
/* reschedule state queue work to run as soon as possible */
phy_trigger_machine(phydev);
- if (phy_interrupt_is_valid(phydev) && phy_clear_interrupt(phydev))
+ if (phy_clear_interrupt(phydev))
goto phy_err;
return IRQ_HANDLED;
@@ -744,36 +786,6 @@ phy_err:
}
/**
- * phy_change_work - Scheduled by the phy_mac_interrupt to handle PHY changes
- * @work: work_struct that describes the work to be done
- */
-void phy_change_work(struct work_struct *work)
-{
- struct phy_device *phydev =
- container_of(work, struct phy_device, phy_queue);
-
- phy_change(phydev);
-}
-
-/**
- * phy_interrupt - PHY interrupt handler
- * @irq: interrupt line
- * @phy_dat: phy_device pointer
- *
- * Description: When a PHY interrupt occurs, the handler disables
- * interrupts, and uses phy_change to handle the interrupt.
- */
-static irqreturn_t phy_interrupt(int irq, void *phy_dat)
-{
- struct phy_device *phydev = phy_dat;
-
- if (PHY_HALTED == phydev->state)
- return IRQ_NONE; /* It can't be ours. */
-
- return phy_change(phydev);
-}
-
-/**
* phy_enable_interrupts - Enable the interrupts from the PHY side
* @phydev: target phy_device struct
*/
@@ -837,21 +849,24 @@ void phy_stop(struct phy_device *phydev)
{
mutex_lock(&phydev->lock);
- if (PHY_HALTED == phydev->state)
- goto out_unlock;
+ if (!__phy_is_started(phydev)) {
+ WARN(1, "called from state %s\n",
+ phy_state_to_str(phydev->state));
+ mutex_unlock(&phydev->lock);
+ return;
+ }
if (phy_interrupt_is_valid(phydev))
phy_disable_interrupts(phydev);
phydev->state = PHY_HALTED;
-out_unlock:
mutex_unlock(&phydev->lock);
phy_state_machine(&phydev->state_queue.work);
/* Cannot call flush_scheduled_work() here as desired because
- * of rtnl_lock(), but PHY_HALTED shall guarantee phy_change()
+ * of rtnl_lock(), but PHY_HALTED shall guarantee irq handler
* will not reenable interrupts.
*/
}
@@ -874,9 +889,6 @@ void phy_start(struct phy_device *phydev)
mutex_lock(&phydev->lock);
switch (phydev->state) {
- case PHY_STARTING:
- phydev->state = PHY_PENDING;
- break;
case PHY_READY:
phydev->state = PHY_UP;
break;
@@ -902,18 +914,6 @@ void phy_start(struct phy_device *phydev)
}
EXPORT_SYMBOL(phy_start);
-static void phy_link_up(struct phy_device *phydev)
-{
- phydev->phy_link_change(phydev, true, true);
- phy_led_trigger_change_speed(phydev);
-}
-
-static void phy_link_down(struct phy_device *phydev, bool do_carrier)
-{
- phydev->phy_link_change(phydev, false, do_carrier);
- phy_led_trigger_change_speed(phydev);
-}
-
/**
* phy_state_machine - Handle the state machine
* @work: work_struct that describes the work to be done
@@ -936,63 +936,17 @@ void phy_state_machine(struct work_struct *work)
switch (phydev->state) {
case PHY_DOWN:
- case PHY_STARTING:
case PHY_READY:
- case PHY_PENDING:
break;
case PHY_UP:
needs_aneg = true;
- phydev->link_timeout = PHY_AN_TIMEOUT;
-
- break;
- case PHY_AN:
- err = phy_read_status(phydev);
- if (err < 0)
- break;
-
- /* If the link is down, give up on negotiation for now */
- if (!phydev->link) {
- phydev->state = PHY_NOLINK;
- phy_link_down(phydev, true);
- break;
- }
-
- /* Check if negotiation is done. Break if there's an error */
- err = phy_aneg_done(phydev);
- if (err < 0)
- break;
-
- /* If AN is done, we're running */
- if (err > 0) {
- phydev->state = PHY_RUNNING;
- phy_link_up(phydev);
- } else if (0 == phydev->link_timeout--)
- needs_aneg = true;
break;
case PHY_NOLINK:
- if (!phy_polling_mode(phydev))
- break;
-
- err = phy_read_status(phydev);
- if (err)
- break;
-
- if (phydev->link) {
- if (AUTONEG_ENABLE == phydev->autoneg) {
- err = phy_aneg_done(phydev);
- if (err < 0)
- break;
-
- if (!err) {
- phydev->state = PHY_AN;
- phydev->link_timeout = PHY_AN_TIMEOUT;
- break;
- }
- }
- phydev->state = PHY_RUNNING;
- phy_link_up(phydev);
- }
+ case PHY_RUNNING:
+ case PHY_CHANGELINK:
+ case PHY_RESUMING:
+ err = phy_check_link_status(phydev);
break;
case PHY_FORCING:
err = genphy_update_link(phydev);
@@ -1008,32 +962,6 @@ void phy_state_machine(struct work_struct *work)
phy_link_down(phydev, false);
}
break;
- case PHY_RUNNING:
- if (!phy_polling_mode(phydev))
- break;
-
- err = phy_read_status(phydev);
- if (err)
- break;
-
- if (!phydev->link) {
- phydev->state = PHY_NOLINK;
- phy_link_down(phydev, true);
- }
- break;
- case PHY_CHANGELINK:
- err = phy_read_status(phydev);
- if (err)
- break;
-
- if (phydev->link) {
- phydev->state = PHY_RUNNING;
- phy_link_up(phydev);
- } else {
- phydev->state = PHY_NOLINK;
- phy_link_down(phydev, true);
- }
- break;
case PHY_HALTED:
if (phydev->link) {
phydev->link = 0;
@@ -1041,30 +969,6 @@ void phy_state_machine(struct work_struct *work)
do_suspend = true;
}
break;
- case PHY_RESUMING:
- if (AUTONEG_ENABLE == phydev->autoneg) {
- err = phy_aneg_done(phydev);
- if (err < 0) {
- break;
- } else if (!err) {
- phydev->state = PHY_AN;
- phydev->link_timeout = PHY_AN_TIMEOUT;
- break;
- }
- }
-
- err = phy_read_status(phydev);
- if (err)
- break;
-
- if (phydev->link) {
- phydev->state = PHY_RUNNING;
- phy_link_up(phydev);
- } else {
- phydev->state = PHY_NOLINK;
- phy_link_down(phydev, false);
- }
- break;
}
mutex_unlock(&phydev->lock);
@@ -1090,7 +994,7 @@ void phy_state_machine(struct work_struct *work)
* state machine would be pointless and possibly error prone when
* called from phy_disconnect() synchronously.
*/
- if (phy_polling_mode(phydev) && old_state != PHY_HALTED)
+ if (phy_polling_mode(phydev) && phy_is_started(phydev))
phy_queue_state_machine(phydev, PHY_STATE_TIME);
}
@@ -1104,10 +1008,34 @@ void phy_state_machine(struct work_struct *work)
void phy_mac_interrupt(struct phy_device *phydev)
{
/* Trigger a state machine change */
- queue_work(system_power_efficient_wq, &phydev->phy_queue);
+ phy_trigger_machine(phydev);
}
EXPORT_SYMBOL(phy_mac_interrupt);
+static void mmd_eee_adv_to_linkmode(unsigned long *advertising, u16 eee_adv)
+{
+ linkmode_zero(advertising);
+
+ if (eee_adv & MDIO_EEE_100TX)
+ linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT,
+ advertising);
+ if (eee_adv & MDIO_EEE_1000T)
+ linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
+ advertising);
+ if (eee_adv & MDIO_EEE_10GT)
+ linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
+ advertising);
+ if (eee_adv & MDIO_EEE_1000KX)
+ linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
+ advertising);
+ if (eee_adv & MDIO_EEE_10GKX4)
+ linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT,
+ advertising);
+ if (eee_adv & MDIO_EEE_10GKR)
+ linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
+ advertising);
+}
+
/**
* phy_init_eee - init and check the EEE feature
* @phydev: target phy_device struct
@@ -1126,9 +1054,12 @@ int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable)
/* According to 802.3az,the EEE is supported only in full duplex-mode.
*/
if (phydev->duplex == DUPLEX_FULL) {
+ __ETHTOOL_DECLARE_LINK_MODE_MASK(common);
+ __ETHTOOL_DECLARE_LINK_MODE_MASK(lp);
+ __ETHTOOL_DECLARE_LINK_MODE_MASK(adv);
int eee_lp, eee_cap, eee_adv;
- u32 lp, cap, adv;
int status;
+ u32 cap;
/* Read phy status to properly get the right settings */
status = phy_read_status(phydev);
@@ -1155,9 +1086,11 @@ int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable)
if (eee_adv <= 0)
goto eee_exit_err;
- adv = mmd_eee_adv_to_ethtool_adv_t(eee_adv);
- lp = mmd_eee_adv_to_ethtool_adv_t(eee_lp);
- if (!phy_check_valid(phydev->speed, phydev->duplex, lp & adv))
+ mmd_eee_adv_to_linkmode(adv, eee_adv);
+ mmd_eee_adv_to_linkmode(lp, eee_lp);
+ linkmode_and(common, adv, lp);
+
+ if (!phy_check_valid(phydev->speed, phydev->duplex, common))
goto eee_exit_err;
if (clk_stop_enable) {
@@ -1221,6 +1154,7 @@ int phy_ethtool_get_eee(struct phy_device *phydev, struct ethtool_eee *data)
if (val < 0)
return val;
data->advertised = mmd_eee_adv_to_ethtool_adv_t(val);
+ data->eee_enabled = !!data->advertised;
/* Get LP advertisement EEE */
val = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_LPABLE);
@@ -1228,6 +1162,8 @@ int phy_ethtool_get_eee(struct phy_device *phydev, struct ethtool_eee *data)
return val;
data->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(val);
+ data->eee_active = !!(data->advertised & data->lp_advertised);
+
return 0;
}
EXPORT_SYMBOL(phy_ethtool_get_eee);
@@ -1241,7 +1177,7 @@ EXPORT_SYMBOL(phy_ethtool_get_eee);
*/
int phy_ethtool_set_eee(struct phy_device *phydev, struct ethtool_eee *data)
{
- int cap, old_adv, adv, ret;
+ int cap, old_adv, adv = 0, ret;
if (!phydev->drv)
return -EIO;
@@ -1255,10 +1191,12 @@ int phy_ethtool_set_eee(struct phy_device *phydev, struct ethtool_eee *data)
if (old_adv < 0)
return old_adv;
- adv = ethtool_adv_to_mmd_eee_adv_t(data->advertised) & cap;
-
- /* Mask prohibited EEE modes */
- adv &= ~phydev->eee_broken_modes;
+ if (data->eee_enabled) {
+ adv = !data->advertised ? cap :
+ ethtool_adv_to_mmd_eee_adv_t(data->advertised) & cap;
+ /* Mask prohibited EEE modes */
+ adv &= ~phydev->eee_broken_modes;
+ }
if (old_adv != adv) {
ret = phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV, adv);